Look, don't throw good money after bad.
You're only going to be able to get so much memory in a laptop. If you
want to do RAM-intensive things and don't have a way to make them less
intensive (i.e., offloading some of the business to PostGIS, etc.) then
you're going to need to be thinking about hardware that can hold a lot
of memory and just using your laptop as a frontend. I also can't
recommend getting away from spinny-thing storage enough unless you
simply need to store as many TiB in as small a space as possible.
I will also heartily recommend getting Windows and other Microsoft
products out of your life. I have a Gentoo Linux machine sitting beside
me here with a full GUI going and it's running on less than 1GiB of its
16GiB of RAM. The PostGIS machine next to it that has no GUI is taking
256_*M*_iB of its 16GiB.
On 1/10/20 10:45 AM, Peter Cornelissen wrote:
HI Nicolas
Thanks. I'm not happy about messing with the bios though, I think I'll
leave that and consider a new laptop with more memory. I'll see how it
goes using GeoPackage to startw thi and take it from there.
Peter
------------------------------------------------------------------------
*From:* Nicolas Cadieux <nicolas.cadi...@archeotec.ca>
*Sent:* 10 January 2020 12:42
*To:* Peter Cornelissen <pe...@cornelissen.org.uk>
*Cc:* Alexandre Neto <senhor.n...@gmail.com>; QGIS User
<qgis-user@lists.osgeo.org>
*Subject:* Re: [Qgis-user] QGIS slows PC to a point it is unusable
Hi,
Try going into the computer bios. Perhaps you can reduce the memory
allocation for the video card. Nice to know GeoPackage option seems
to help.
Nicolas Cadieux
Le 10 janv. 2020 à 03:01, Peter Cornelissen
<pe...@cornelissen.org.uk> a écrit :
Sorry I meant to say that the memory IS the problem!!
On 10 Jan 2020 07:58, pe...@cornelissen.org.uk wrote:
Hi guy
Thanks for the feedback. I've checked and as my PC slows down it
reaches the point where QGIS is using 79% of the memory, so
there's no problem. Unfortunately there's not much I can do about
it as it is a laptop and is already at its maximum of 8GB and is
using 1.8GB for the video. I'll rebuild using Geo Packages as
that seems like the way forward. I can't really make use of
PostGIS as I need to port to QField.
Peter
On 9 Jan 2020 23:54, Nicolas Cadieux
<nicolas.cadi...@archeotec.ca> wrote:
Hi,
You are likely running out of memory. Do a
control-alt-delete and look at the memory usage. Look at the
memory, disk and cpu usage before starting QGIS and once the
project is loaded and working. Turn off unwanted plugins.
Make sure you don’t have a virus or some background process
using your cpus. You should probably have 8 to 16 GB of
memory. Is this a laptop? Is the laptop sharing the video
memory with the system memory?
Nicolas Cadieux
Le 9 janv. 2020 à 18:21, Alexandre Neto
<senhor.n...@gmail.com> a écrit :
Hi Peter,
Try to use Spatialite, Geopackage or (even better)
PostGIS to store your data and create indexes both on the
geometries, but also on the fields used on the rules you
mentioned. That can give you a nice boost.
Hope it helps,
Alexandre Neto
QGIS Support
www.QCooperative.net
<https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsmex-ctp.trendmicro.com%3A443%2Fwis%2Fclicktime%2Fv1%2Fquery%3Furl%3Dhttp%253a%252f%252fwww.QCooperative.net%26umid%3D78acbac1-d0a0-4165-8391-f7bc9498c22c%26auth%3Dbf81fa88bf46c441e3fa0c29e31e35617988196f-aeddc0339af5f50edc3ba0398521cba4a48bd09f&data=02%7C01%7C%7C0a6fe8d2bc5846f611a508d795ca9542%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637142569628060192&sdata=CIdLZHE1E%2FfBMx1H55Kjyuxd5BR4N%2BfUzoQMW51ViNg%3D&reserved=0>
A quinta, 9/01/2020, 20:42, Peter Cornelissen
<pe...@cornelissen.org.uk
<mailto:pe...@cornelissen.org.uk>> escreveu:
Hi
I am finding that although my ShapeFIle tables in
QGIS are not huge, my Windows 10 PC virtually comes
to a grinding halt and becomes unusable once I get to
something like 50 layers. I am using about 6 or 7
ShapeFiles with different filters. I think it is
related to the fact that approx. most of them having
a rule based styles, some with about 20 rules per layer.
Restarting the PC sorts things out for a while, but
soon as I start working on the project it quickly
gets slower and again comes to a point where it again
slows right down.
I've not seen anything relate to this issue online
and I've seen tables which must be huge. Is it likely
to be my PC or am I using the wrong methods? Would I
be better using SpatiaLite to store the tables?
Thought?
Peter
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